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What we will learn
Know your problem
Know your data
Visualize your data - bar chart
14. What we can and can't see
Work with your chart
Check yourself


Alcohol consumption

You probably noticed that some of the sentences you just completed were easier to fill than others. This is because those values were plainly shown on the chart. The exercise on the right will help you to formulate the advantages and disadvantages of using a bar chart to visualize time series data.